Johnson Controls Hitachi Air Conditioning Interview Questions, Process, and Tips

The volume of tonnage under service refers to the amount of weight being handled by the company's services.

• The volume of tonnage under service can be measured in various units such as metric tons, pounds, or kilograms.

• It is important to track the volume of tonnage under service to ensure that the company's resources are being utilized efficiently.

• The volume of tonnage under service can be affected by factors such as se...read more

I handle a wide range of products including electronics, home appliances, and personal care items.

• Electronics such as smartphones, laptops, and gaming consoles

• Home appliances like refrigerators, washing machines, and air conditioners

• Personal care items including hair care, skincare, and grooming products

Refrigeration cycle and technical factors are crucial in air conditioning machines.

• The refrigeration cycle involves four main components: compressor, condenser, expansion valve, and evaporator.

• Technical factors include proper sizing of the unit, correct refrigerant charge, and adequate airflow.

• Efficiency can be improved by using variable speed compressors and fans, and by implementing smart controls.

• Regular maintenance...read more

In-process defect controls & prevention of outflow

• Implement quality control measures at each stage of production

• Train employees on identifying and addressing defects

• Regularly monitor and analyze production data to identify trends

• Implement corrective actions to prevent recurrence of defects

• Conduct regular audits to ensure compliance with quality standards

• Use statistical process control techniques to identify and address...read more

I use various tools depending on the nature of the problem, such as Fishbone diagram, Pareto chart, and 5 Whys.

• I analyze the problem using Fishbone diagram to identify the root cause

• I use Pareto chart to prioritize the problems based on their impact

• I apply 5 Whys technique to dig deeper into the problem and find the underlying cause

• I also use statistical tools like Control charts and Histograms to analyze data

• I select ...read more